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相关概念视频

Design Example: Measuring Distance Between Two Points with Obstructions01:10

Design Example: Measuring Distance Between Two Points with Obstructions

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When measuring distances in areas with physical obstructions, such as a lake in a field, surveyors must employ techniques to calculate accurate lengths without direct line measurements. One effective method is the offset technique, which allows for precise distance estimation over inaccessible stretches.In this scenario, a surveyor must measure a side of an area that crosses a lake. Since the measuring tape cannot span the lake, the surveyor begins by establishing a baseline that aligns with...
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Doppler Effect - I00:56

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The Doppler effect and Doppler shift were named after the Austrian physicist and mathematician Christian Johann Doppler in 1842, who conducted experiments with both moving sources and moving observers. Consider an observer standing on a street corner, observing an ambulance with a siren sound passing by at a constant speed. The observer experiences two characteristic changes in the sound of the siren. Initially, the sound increases in loudness as the ambulance approaches and decreases in...
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相关实验视频

Updated: Jun 3, 2025

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings
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A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

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基于缺失订单塔尔博特效应的排位测量

Liuxing Song1, Kailun Zhao2, Xiaoyong Wang2

  • 1College of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China.

Sensors (Basel, Switzerland)
|January 11, 2025
PubMed
概括
此摘要是机器生成的。

一种新的位移测量技术使用缺失顺序塔尔博特效应来实现高精度. 这种方法为传统的基于激光的系统提供了成本效益和紧的替代方案.

关键词:
金融金融公司 (FFT)塔尔博特效应是什么?塔尔博特效应是什么?移位测量方法 移位测量方法格子格子 格子格子缺失的顺序是塔尔博特效应.

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相关实验视频

Last Updated: Jun 3, 2025

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科学领域:

  • 光学和光子学 在光学和光子学.
  • 计量学和测量科学 计量学和测量科学

背景情况:

  • 移位测量在各种科学和工业应用中至关重要.
  • 目前的高精度方法,如基于激光的系统,往往是庞大而昂贵的.

研究的目的:

  • 引入一种新的,成本效益高的,紧的位移测量方法.
  • 为了利用缺失顺序的塔尔博特效应进行精确的位移传感.

主要方法:

  • 利用缺失顺序塔尔博特衍射模式中的位移.
  • 只需要平行光线,振幅格子和探测器.
  • 测量动态范围可以通过格子周期和光波长进行调节.

主要成果:

  • 在30毫米动态范围中实现了相关系数R > 0.999.
  • 已证明测量精度超过3微米.
  • 实验验证证了模拟结果.

结论:

  • 缺失顺序塔尔博特效应为位移测量提供了一个可行的替代方案.
  • 与现有技术相比,这种方法提供了一个更简单,更紧,潜在的成本更低的解决方案.